EP0635257A1 - Low VOC hair sprays with improved spray characteristics - Google Patents
Low VOC hair sprays with improved spray characteristics Download PDFInfo
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- EP0635257A1 EP0635257A1 EP94111299A EP94111299A EP0635257A1 EP 0635257 A1 EP0635257 A1 EP 0635257A1 EP 94111299 A EP94111299 A EP 94111299A EP 94111299 A EP94111299 A EP 94111299A EP 0635257 A1 EP0635257 A1 EP 0635257A1
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- copolymer
- vinyl acetate
- hair
- acrylates
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/046—Aerosols; Foams
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/342—Alcohols having more than seven atoms in an unbroken chain
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/58—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus
- A61K8/585—Organosilicon compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8147—Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8158—Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8164—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers, e.g. poly (methyl vinyl ether-co-maleic anhydride)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
- A61K8/8176—Homopolymers of N-vinyl-pyrrolidones. Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
- A61K8/8182—Copolymers of vinyl-pyrrolidones. Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/85—Polyesters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S424/00—Drug, bio-affecting and body treating compositions
- Y10S424/01—Aerosol hair preparation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S424/00—Drug, bio-affecting and body treating compositions
- Y10S424/02—Resin hair settings
Definitions
- This invention relates to hair sprays containing 80% or less volatile organic compounds.
- hair fixative compositions contain a film-forming polymer, which acts as the fixative, and a delivery system, which is usually one or more alcohols or a mixture of alcohol and water.
- a delivery system which is usually one or more alcohols or a mixture of alcohol and water.
- the delivery system will also contain a propellant, typically a volatile hydrocarbon. Due to environmental regulations controlling the emission of volatile organic compounds (VOCs) into the atmosphere, VOC emissions have been restricted to 80% in some states, and may be restricted to 55%, by weight of the hair fixative formulation. It is foreseen that water will be substituted for the volatile organic compounds and so become a greater component in hair fixative compositions.
- VOCs volatile organic compounds
- hair fixative polymers in current use exhibit a loss of spray performance properties in aqueous based systems; for example, the solution viscosity and surface tension increase, and if delivered by aerosol, the composition foams at the valve actuator and on the hair. These factors have prompted the search for additives to improve the spray characteristics of hair spray compositions that contain 80% or less VOCs.
- This invention relates to a hair spray composition giving improved spray characteristics comprising by weight 2 to 20% of a hair fixative polymer neutralized to a sufficient amount to effect subsequent removability from hair, 0.6 to 5%, preferably 1 to 4%, of one or more hydrophobic additives selected from the group consisting of hexamethyl disiloxane, bisphenyl hexamethicone and isocetyl alcohol, 80% or less of one or more volatile organic compounds, and the balance of water to a total of 100%.
- the hair spray composition comprises by weight at least 5% of water, more preferably at least about 20% of water.
- this invention relates to a method for improving the spray characteristics of a hair spray composition
- a hair spray composition comprising by weight 2 to 20% of a hair fixative polymer neutralized to a sufficient amount to effect subsequent removability from hair, in an aqueous solvent containing 80% or less of a volatile organic compound, the method comprising formulating the composition with 0.6 to 5%, preferably 1 to 4%, of one or more hydrophobic additives selected from the group consisting of hexamethyl disiloxane, bisphenyl hexamethicone and isocetyl alcohol.
- the specific additives are hexamethyl disiloxane, bisphenyl hexamethicone, and isocetyl alcohol, and these are effective at amounts 0.6 to 5% by weight of the hair spray formulation, preferably about 1 to 4%.
- the hair fixative resins whose spray characteristics can be improved include most of the standard polymers known and used in the art, such as, vinyl acetate/crotonates/vinyl neodecanoate copolymer, octylacrylamide/acrylates/ butylaminoethyl methacrylate copolymer, vinyl acetate/crotonates, polyvinylpyrrolidone (PVP), polyvinylpyrrolidone/vinyl acetate copolymer, PVP acrylates copolymer, vinyl acetate/crotonic acid/vinyl propionate, acrylates/acrylamide, acrylates/octylacrylamide, and alkyl esters of polyvinylmethylether/maleic anhydride, diglycol/cyclohexanedimethanol/isophthalates/sulfoisophthalates copolymer, vinyl acetate/butyl maleate and isobornyl acrylate copolymer, vinylcap
- some of these polymers require neutralization with an alkaline reagent to effect solubility or dispersibility into the aqueous delivery system and subsequently, after application to the hair, to effect removability with water or with shampoo and water.
- the amount of base used for neutralization is dependent on the carboxylic acid content and hydrophobicity of the hair fixative polymer. The levels of neutralization typically will range from 5 to 100%, depending on the acidity and hydrophobicity of the polymer.
- Suitable bases for neutralization of the polymer are the standard cosmetically acceptable bases known and used in the art.
- the preferred bases are sodium hydroxide, 2-amino-2-methyl-1,3-propanediol, dimethyl stearamine, potassium hydroxide, 2-amino-2-methyl-1-propanol, histidine, tris(hydroxymethyl)aminomethane, and triethanol-amine.
- the choice of the base and the degree of neutralization also affect the flexibility of the resultant hair fixative when sprayed on the hair, giving a soft or a hard hold.
- the choice of which base to utilize and the degree of neutralization required to achieve flexibility is within the expertise of one skilled in the art. In general, however, the amount of base for neutralization will be within the range of 0.05 to 5% based on the total weight of the composition, although it will be recognized that individual formulations may require neutralization outside this range.
- the delivery system in most cases will be a blend of water and one or more volatile organic compounds acting as solvents or propellants.
- the total amount of volatile organic compound (VOC) content will be limited by environmental regulations, which in some cases is now mandated at 80% or less, and may soon be at 55% or less, based on the weight of the composition.
- the organic solvent will be a low boiling alcohol, acetal, or ketone, such as, methanol, ethanol, propanol, isopropanol, butanol, acetone or dimethoxymethane.
- propellants include ethers, such as dimethyl ether; one or more lower boiling hydrocarbons such as C3-C6 straight and branched chain hydrocarbons, for example, propane, butane, and isobutane; halogenated hydrocarbons, such as, hydrofluorocarbons, for example, 1,1-difluoroethane, present as a liquifed gas; and the compressed gases, for example, nitrogen, air and carbon dioxide.
- the amount of propellant used in the hair fixative compositions of this invention may vary from 3 to 60% by weight of the hair spray composition and preferably from 3 to 40% by weight, based on the weight of the total composition.
- propellants are volatile organic compounds.
- the emission of hydrofluorocarbons and the compressed gases are not at this time subject to environmental regulations; therefore, these compounds may be formulated into the hair sprays of this invention without inclusion in the total VOC content.
- a compressed gas or a hydroflurocarbon is used as the sole propellant or in combination with other propellants, it may be present in an amount up to 20% by weight of the total formulation.
- additives may also be incorporated into the hair spray compositions of this invention to provide certain modifying properties to the composition.
- plasticizers such as glycerine, glycol and phthalate esters; emollients, lubricants and penetrants, such as lanolin compounds; fragrances and perfumes; UV absorbers; dyes and other colorants; thickeners; anticorrosion agents; detackifying agents; combing aids; antistatic agents; and preservatives.
- plasticizers such as glycerine, glycol and phthalate esters
- emollients, lubricants and penetrants such as lanolin compounds
- fragrances and perfumes such as lanolin compounds
- UV absorbers dyes and other colorants
- thickeners such as sodium sulfate oils
- anticorrosion agents such as sodium sulfate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bi
- Example 1 A series of hair spray formulations were prepared comprising by weight 5% of a copolymer having a monomer composition in parts by weight of 50 parts tertiary-octylacrylamide, 25 parts methyl methacrylate, 20 parts acrylic acid, and 5 parts tertiary butylaminoethyl methacrylate (50 t-OA/25 MMA/20 AA/ 5 t-BAEM), in a solvent system of 33% DME (dimethyl ether), 22% ethanol and the balance of water, and 1% of one of the additives listed in Table 1. (Hexamethyldisiloxane was also tested at 4% and 5%). The free acidity of the polymer was neutralized to 90% with AMP.
- a copolymer having a monomer composition in parts by weight of 50 parts tertiary-octylacrylamide, 25 parts methyl methacrylate, 20 parts acrylic acid, and 5 parts tertiary butylaminoethyl methacryl
- the hair spray formulations were tested for spray characteristics on 2 gram swatches of 10 inch European brown hair.
- the sprays were delivered with a Seaquist NS34 valve (.013" vapor tap x .013" stem orifice x .040" dip tube diameter) having an Excell 200 Misty (.016" orifice) actuator in a 2 second burst from a distance of six inches.
- the spray characteristics were rated either positive (+) or negative (-).
- a positive rating indicates a wide spray cone, fine spray, small particle size, and no foam on the hair or actuator.
- a negative rating indicates a narrow spray cone, spitting at the actuator, large particle size, and obvious foaming on the hair or actuator.
- Table 1 The results are set out in Table 1 and show that it is not obvious from the physical characteristics of the hair spray formulation (surface tension and viscosity) to predict which additives would give superior spray characteristics. The results also show that out of a wide variety of potential additives, only three actually improved the spray characteristics of a 55% VOC hair spray.
- Example 2 A series of hair spray formulations were prepared using hexamethyldi-siloxane with a copolymer having the monomer composition in parts by weight of 50 parts tertiary-octylacrylamide, 15 parts acrylic acid, 5 parts hydroxypropyl methacrylate, 5 parts tertiary-butylaminoethyl methacrylate and 25 parts methyl methacrylate (50 t-OA/15 AA/ 5 HPMA/5 t-BAEM/25 MMA), and with a number of commercial polymers, in a solvent system of 22% ethanol, 33% dimethyl ether, and balance of water.
- the hair sprays were tested and rated as in Example 1 and the results recorded in Table 2.
- Table 2 Improved Characteristics with Hexamethyldisiloxane Polymer % Polymer % HMDS Performance 50 t-OA/15 AA/5 HPMA/5 t-BAEM/25 MMA 5 0 - 5 1 + *diglycol/cyclohexanedimethanol/isophthalates/sulfoisophthalate copolymer (45% VOC) 15 0 - 15 1 + *diglycol/cyclohexanedimethanol/isophthalates/sulfoisophthalate copolymer (55% VOC) 15 0 - 15 1 + *vinyl acetate/crotonic acid/vinyl neodecanoate (55% VOC) 5 0 - 5 1 + *vinyl acetate/butyl maleate/isobornyl acrylate copolymer (55% VOC) 5 0 - 5 1 + *acrylates/acryl
- Example 3 This example evaluates the subjective properties of a hair spray formulation at 55% VOC (33% DME, 22% ethanol, balance of water) containing 5% polymer, with and without 1% hexamethyldisiloxane.
- the polymer had the same monomer composition as described in Example 1.
- the hair sprays were evaluated on 10 inch long, 2 gram swatches of brown hair by a blind panel. Each panel member evaluated four sets of hair swatches, which contained a test swatch treated with hair spray containing hexamethyldi-siloxane and a test swatch treated with hair spray without hexamethyldisiloxane using a numerical performance rating.
- Example 4 This example measures the humidity resistance of a hair spray formulation at 55% VOC (33% DME, 22% ethanol, balance of water) containing 5% polymer, with and without 1% hexamethyldisiloxane.
- the polymer had the same monomer composition as described in Example 1.
- the humidity resistance was measured as curl retention in a high humidity cabinet over a five hour period. The results are set out in Table 4 and show no statistical differences at all time intervals at the 95% confidence level.
- the testing procedure was as follows: Each of the hair spray systems was tested on nine swatches of six inch strands of Remi Blue String European Brown hair, approximately 2 grams in weight, and the results pooled and averaged. Each swatch was washed in a 10% solution of shampoo, rinsed, and dried at 49°C (120°F). It was wet again, combed, rolled and secured onto a 1/2 inch diameter Teflon ® mandrel, and dried at 49°C (120°F). When dried, it was removed from the mandrel and the resulting curl suspended.
- the curl height was measured for each swatch, and then the curl was sprayed uniformly with a two second burst of the formulation per side.
- the curl was laid on a horizontal surface and allowed to air dry for one hour.
- the dried curl was then resuspended and set into a chamber at 22°C (72°F), 90% relative humidity, and the curl height measured immediately, and at 15, 30, 60, and 90 minute, and 2, 3, 4 and 5 hour intervals.
- the percentage curl retention was calculated by the formula (L-L t )/(L-L o ) X 100, where L is the length of hair fully extended, L o is the length of hair before spray and exposure, and L t is the length of hair after spray and exposure.
- Table 4 Percentage Curl Retention Hair Spray with 15 min 30 min 60 min 90 min 2 hr 3 hr 4 hr 5 hr 0% HMDS 86 84 81 81 80 80 80 80 80 80 80 80 80 80 1% HMDS 86 83 81 79 78 78 76
Abstract
Description
- This invention relates to hair sprays containing 80% or less volatile organic compounds.
- In their most basic form, hair fixative compositions contain a film-forming polymer, which acts as the fixative, and a delivery system, which is usually one or more alcohols or a mixture of alcohol and water. In the case of aerosol delivery, the delivery system will also contain a propellant, typically a volatile hydrocarbon. Due to environmental regulations controlling the emission of volatile organic compounds (VOCs) into the atmosphere, VOC emissions have been restricted to 80% in some states, and may be restricted to 55%, by weight of the hair fixative formulation. It is foreseen that water will be substituted for the volatile organic compounds and so become a greater component in hair fixative compositions. However, many hair fixative polymers in current use exhibit a loss of spray performance properties in aqueous based systems; for example, the solution viscosity and surface tension increase, and if delivered by aerosol, the composition foams at the valve actuator and on the hair. These factors have prompted the search for additives to improve the spray characteristics of hair spray compositions that contain 80% or less VOCs.
- This invention relates to a hair spray composition giving improved spray characteristics comprising by weight 2 to 20% of a hair fixative polymer neutralized to a sufficient amount to effect subsequent removability from hair, 0.6 to 5%, preferably 1 to 4%, of one or more hydrophobic additives selected from the group consisting of hexamethyl disiloxane, bisphenyl hexamethicone and isocetyl alcohol, 80% or less of one or more volatile organic compounds, and the balance of water to a total of 100%. Preferably, the hair spray composition comprises by weight at least 5% of water, more preferably at least about 20% of water.
- In another embodiment, this invention relates to a method for improving the spray characteristics of a hair spray composition comprising by weight 2 to 20% of a hair fixative polymer neutralized to a sufficient amount to effect subsequent removability from hair, in an aqueous solvent containing 80% or less of a volatile organic compound, the method comprising formulating the composition with 0.6 to 5%, preferably 1 to 4%, of one or more hydrophobic additives selected from the group consisting of hexamethyl disiloxane, bisphenyl hexamethicone and isocetyl alcohol.
- It has been found that the addition of certain hydrophobic additives to standard hair fixative resins improves the spray characteristics of those resins when formulated into delivery systems comprising 80% or less of volatile organic compounds. Without the use of these additives in the hair spray composition, many of the standard resins, when delivered by an aerosol system, foam at the actuator valve and on the hair. Foaming is generally considered to be a function of the viscosity, surface tension, and the surface activity of the hair fixative polymer in solution; but while additives are known to reduce viscosity and surface tension, not all additives are successful in translating that reduction to improved spray characteristics in an aqueous system containing 80% or less of organic solvents. Therefore, it was unexpected that only certain additives out of those that could be expected to improve spray characteristics actually did improve the performance of the spray.
- The specific additives are hexamethyl disiloxane, bisphenyl hexamethicone, and isocetyl alcohol, and these are effective at amounts 0.6 to 5% by weight of the hair spray formulation, preferably about 1 to 4%.
- The hair fixative resins whose spray characteristics can be improved include most of the standard polymers known and used in the art, such as, vinyl acetate/crotonates/vinyl neodecanoate copolymer, octylacrylamide/acrylates/ butylaminoethyl methacrylate copolymer, vinyl acetate/crotonates, polyvinylpyrrolidone (PVP), polyvinylpyrrolidone/vinyl acetate copolymer, PVP acrylates copolymer, vinyl acetate/crotonic acid/vinyl propionate, acrylates/acrylamide, acrylates/octylacrylamide, and alkyl esters of polyvinylmethylether/maleic anhydride, diglycol/cyclohexanedimethanol/isophthalates/sulfoisophthalates copolymer, vinyl acetate/butyl maleate and isobornyl acrylate copolymer, vinylcaprolactam/ PVP/dimethylaminoethyl methacrylate, vinyl acetate/alkylmaleate half ester/N-substituted acrylamide terpolymers, vinylcaprolactam/vinyl-pyrrolidone/methacryloamidopropyl trimethylammonium chloride terpolymer, and methacrylates/acrylates copolymer/amine salt.
- In formulation, some of these polymers require neutralization with an alkaline reagent to effect solubility or dispersibility into the aqueous delivery system and subsequently, after application to the hair, to effect removability with water or with shampoo and water. The amount of base used for neutralization is dependent on the carboxylic acid content and hydrophobicity of the hair fixative polymer. The levels of neutralization typically will range from 5 to 100%, depending on the acidity and hydrophobicity of the polymer. Suitable bases for neutralization of the polymer are the standard cosmetically acceptable bases known and used in the art. The preferred bases are sodium hydroxide, 2-amino-2-methyl-1,3-propanediol, dimethyl stearamine, potassium hydroxide, 2-amino-2-methyl-1-propanol, histidine, tris(hydroxymethyl)aminomethane, and triethanol-amine. The choice of the base and the degree of neutralization also affect the flexibility of the resultant hair fixative when sprayed on the hair, giving a soft or a hard hold. The choice of which base to utilize and the degree of neutralization required to achieve flexibility is within the expertise of one skilled in the art. In general, however, the amount of base for neutralization will be within the range of 0.05 to 5% based on the total weight of the composition, although it will be recognized that individual formulations may require neutralization outside this range.
- The delivery system in most cases will be a blend of water and one or more volatile organic compounds acting as solvents or propellants. The total amount of volatile organic compound (VOC) content will be limited by environmental regulations, which in some cases is now mandated at 80% or less, and may soon be at 55% or less, based on the weight of the composition. Typically, the organic solvent will be a low boiling alcohol, acetal, or ketone, such as, methanol, ethanol, propanol, isopropanol, butanol, acetone or dimethoxymethane.
- When an aerosol delivery system is used, the hair spray will require a propellant. Preferred propellants include ethers, such as dimethyl ether; one or more lower boiling hydrocarbons such as C₃-C₆ straight and branched chain hydrocarbons, for example, propane, butane, and isobutane; halogenated hydrocarbons, such as, hydrofluorocarbons, for example, 1,1-difluoroethane, present as a liquifed gas; and the compressed gases, for example, nitrogen, air and carbon dioxide. The amount of propellant used in the hair fixative compositions of this invention may vary from 3 to 60% by weight of the hair spray composition and preferably from 3 to 40% by weight, based on the weight of the total composition. It should be noted that the above propellants are volatile organic compounds. However, the emission of hydrofluorocarbons and the compressed gases are not at this time subject to environmental regulations; therefore, these compounds may be formulated into the hair sprays of this invention without inclusion in the total VOC content. If a compressed gas or a hydroflurocarbon is used as the sole propellant or in combination with other propellants, it may be present in an amount up to 20% by weight of the total formulation.
- Although not needed for spray performance, optional conventional additives may also be incorporated into the hair spray compositions of this invention to provide certain modifying properties to the composition. Included among these additives are plasticizers, such as glycerine, glycol and phthalate esters; emollients, lubricants and penetrants, such as lanolin compounds; fragrances and perfumes; UV absorbers; dyes and other colorants; thickeners; anticorrosion agents; detackifying agents; combing aids; antistatic agents; and preservatives. These additives are present in small, effective amounts to accomplish their function, and generally will comprise from 0.1 to 10% by weight each, and from 0.1 to 20% by weight total, based on the weight of the composition.
- Example 1. A series of hair spray formulations were prepared comprising by weight 5% of a copolymer having a monomer composition in parts by weight of 50 parts tertiary-octylacrylamide, 25 parts methyl methacrylate, 20 parts acrylic acid, and 5 parts tertiary butylaminoethyl methacrylate (50 t-OA/25 MMA/20 AA/ 5 t-BAEM), in a solvent system of 33% DME (dimethyl ether), 22% ethanol and the balance of water, and 1% of one of the additives listed in Table 1. (Hexamethyldisiloxane was also tested at 4% and 5%). The free acidity of the polymer was neutralized to 90% with AMP. The hair spray formulations were tested for spray characteristics on 2 gram swatches of 10 inch European brown hair. The sprays were delivered with a Seaquist NS34 valve (.013" vapor tap x .013" stem orifice x .040" dip tube diameter) having an Excell 200 Misty (.016" orifice) actuator in a 2 second burst from a distance of six inches.
- The spray characteristics were rated either positive (+) or negative (-). A positive rating indicates a wide spray cone, fine spray, small particle size, and no foam on the hair or actuator. A negative rating indicates a narrow spray cone, spitting at the actuator, large particle size, and obvious foaming on the hair or actuator. The results are set out in Table 1 and show that it is not obvious from the physical characteristics of the hair spray formulation (surface tension and viscosity) to predict which additives would give superior spray characteristics. The results also show that out of a wide variety of potential additives, only three actually improved the spray characteristics of a 55% VOC hair spray.
Example 2 : A series of hair spray formulations were prepared using hexamethyldi-siloxane with a copolymer having the monomer composition in parts by weight of 50 parts tertiary-octylacrylamide, 15 parts acrylic acid, 5 parts hydroxypropyl methacrylate, 5 parts tertiary-butylaminoethyl methacrylate and 25 parts methyl methacrylate (50 t-OA/15 AA/ 5 HPMA/5 t-BAEM/25 MMA), and with a number of commercial polymers, in a solvent system of 22% ethanol, 33% dimethyl ether, and balance of water. The hair sprays were tested and rated as in Example 1 and the results recorded in Table 2. The results show that improved spray characteristics are obtained with the use of hexamethyldisiloxane.Table 2 Improved Characteristics with Hexamethyldisiloxane Polymer % Polymer % HMDS Performance 50 t-OA/15 AA/5 HPMA/5 t-BAEM/25 MMA 5 0 - 5 1 + *diglycol/cyclohexanedimethanol/isophthalates/sulfoisophthalate copolymer (45% VOC) 15 0 - 15 1 + *diglycol/cyclohexanedimethanol/isophthalates/sulfoisophthalate copolymer (55% VOC) 15 0 - 15 1 + *vinyl acetate/crotonic acid/vinyl neodecanoate (55% VOC) 5 0 - 5 1 + *vinyl acetate/butyl maleate/isobornyl acrylate copolymer (55% VOC) 5 0 - 5 1 + *acrylates/acrylamide copolymer (55% VOC) 5 0 - 5 1 + *ethyl ester of PVM/MA copolymer (55% VOC) 5 0 - 5 1 + *vinylcaprolactam/PVP/diemthylaminoethyl methacrylate copolymer (55% VOC) 7 0 - 7 1 + *polyvinyl pyrrolidone (PVP) (55% VOC) 10 0 - 10 1 + *PVP/vinyl acetate copolymer (55% VOC) 10 0 - 10 1 + *octylacrylamide/acrylates/butylaminoethyl methacrylate copolymer (55% VOC) 2 0 - 2 1 + * Identified by CTFA designation (Cosmetics Toiletries Fragrances Association).
Example 3 : This example evaluates the subjective properties of a hair spray formulation at 55% VOC (33% DME, 22% ethanol, balance of water) containing 5% polymer, with and without 1% hexamethyldisiloxane. The polymer had the same monomer composition as described in Example 1. The hair sprays were evaluated on 10 inch long, 2 gram swatches of brown hair by a blind panel. Each panel member evaluated four sets of hair swatches, which contained a test swatch treated with hair spray containing hexamethyldi-siloxane and a test swatch treated with hair spray without hexamethyldisiloxane using a numerical performance rating. In the evaluations, stiffness was superior to softness; no resistance to combing was superior to resistance; no flake accumulation on hair and comb was superior to flake accumulation; gloss was superior to lack of gloss; and no static flyaway after combing was superior to static flyaway. A total of 8 evaluation sets per sample were made. The panel results were analyzed statistically (at the 95% confidence level) and summarized comparing the swatch sprayed with hair spray containing hexamethyldisiloxane as superior to (+), equivalent to (=), or inferior to (-), the swatch sprayed with hair spray without hexamethyldisiloxane. The results of the panel evaluations are set out below in Table 3 and show that the hair spray formulations performed comparably.Table 3 Subjective Characteristics Gloss Stiffness Dry Comb Flake Antistatic +1% HMDS = = = = =
Example 4: This example measures the humidity resistance of a hair spray formulation at 55% VOC (33% DME, 22% ethanol, balance of water) containing 5% polymer, with and without 1% hexamethyldisiloxane. The polymer had the same monomer composition as described in Example 1. The humidity resistance was measured as curl retention in a high humidity cabinet over a five hour period. The results are set out in Table 4 and show no statistical differences at all time intervals at the 95% confidence level. - The testing procedure was as follows: Each of the hair spray systems was tested on nine swatches of six inch strands of Remi Blue String European Brown hair, approximately 2 grams in weight, and the results pooled and averaged. Each swatch was washed in a 10% solution of shampoo, rinsed, and dried at 49°C (120°F). It was wet again, combed, rolled and secured onto a 1/2 inch diameter Teflon® mandrel, and dried at 49°C (120°F). When dried, it was removed from the mandrel and the resulting curl suspended.
- The curl height was measured for each swatch, and then the curl was sprayed uniformly with a two second burst of the formulation per side. The curl was laid on a horizontal surface and allowed to air dry for one hour. The dried curl was then resuspended and set into a chamber at 22°C (72°F), 90% relative humidity, and the curl height measured immediately, and at 15, 30, 60, and 90 minute, and 2, 3, 4 and 5 hour intervals.
- The percentage curl retention was calculated by the formula (L-Lt)/(L-Lo) X 100, where L is the length of hair fully extended, Lo is the length of hair before spray and exposure, and Lt is the length of hair after spray and exposure.
Table 4 Percentage Curl Retention Hair Spray with 15 min 30 min 60 min 90 min 2 hr 3 hr 4 hr 5 hr 0% HMDS 86 84 81 81 80 80 80 80 1% HMDS 86 86 83 81 79 78 78 76 - It should be recognized that changes and modifications in the specifically described embodiments can be carried out without departing from the scope of the invention, which is intended to be limited only by the scope of the appended claims.
Claims (8)
- A hair spray composition giving improved spray characteristics comprising to a total of 100% by weight
2 to 20% of a hair fixative polymer,
0.6 to 5% of one or more hydrophobic additives selected from the group consisting of hexamethyl disiloxane, bisphenyl hexamethicone and isocetyl alcohol,
80% or less of one or more volatile organic compounds,
0 to 20% of a propellant selected from the group consisting of a compressed or liquified gas, and the balance of water. - The hair spray composition of Claim 1 in which the hair fixative polymer is selected from the group consisting of vinyl acetate/crotonates/vinyl neodecanoate copolymer, octylacrylamide/acrylates/butylaminoethyl methacrylate copolymer, vinyl acetate/crotonates, polyvinylpyrrolidone (PVP), polyvinylpyrrolidone/vinyl acetate copolymer, PVP acrylates copolymer, vinyl acetate/ crotonic acid/vinyl propionate, acrylates/acrylamide, acrylates/octylacrylamide, and alkyl esters of polyvinylmethylether/maleic anhydride, diglycol/cyclohexanedimethanol/isophthalates/sulfoisophthalates copolymer, vinyl acetate/butyl maleate and isobornyl acrylate copolymer, vinylcaprolactam/ PVP/dimethylaminoethyl methacrylate, vinyl acetate/alkylmaleate half ester/N-substituted acrylamide terpolymers, vinylcaprolactam/vinylpyrrolidone/ methacryloamidopropyl trimethyl-ammonium chloride terpolymer, and methacrylates/ acrylates copolymer/amine salt.
- The hair spray composition of Claim 1 in which the volatile organic compounds are selected from the group consisting of low boiling alcohols, acetals, and ketones; ethers; lower boiling C₃-C₆ straight and branched chain hydrocarbons.
- The hair spray composition of Claim 1 in which the propellant is selected from the group consisting of gaseous nitrogen, air, carbon dioxide and halogenated hydrocarbons.
- A method for improving the spray characteristics of a hair spray composition comprising to a total of 100% by weight 2 to 20% of a hair fixative polymer in an aqueous solvent containing 80% or less of a volatile organic compound, the method comprising formulating the hair spray composition with 0.6 to 5% of one or more hydrophobic additives selected from the group consisting of hexamethyl disiloxane, bisphenyl hexamethicone and isocetyl alcohol.
- The method of Claim 8 in which the hair fixative polymer is selected from the group consisting of vinyl acetate/crotonates/vinyl neodecanoate copolymer, octylacrylamide/acrylates/ butylaminoethyl methacrylate copolymer, vinyl acetate/crotonates, polyvinylpyrrolidone (PVP), polyvinyl-pyrrolidone/vinyl acetate copolymer, PVP acrylates copolymer, vinyl acetate/ crotonic acid/vinyl propionate, acrylates/acrylamide, acrylates/octylacrylamide, and alkylesters of polyvinylmethylether/maleic anhydride, diglycol/cyclohexanedimethanol/isophthalates/ sulfoisophthalates copolymer, vinyl acetate/butyl maleate and isobornyl acrylate copolymer, vinylcaprolactam/PVP/dimethylaminoethyl methacrylate, vinyl acetate/alkylmaleate half ester/N-substituted acrylamide terpolymers, vinylcaprolactam/vinylpyrrolidone/ methacryloamidopropyl trimethyl-ammonium chloride terpolymer, and methacrylates/ acrylates copolymer/amine salt.
- The method of Claim 8 in which the volatile organic solvents are selected from the group consisting of low boiling alcohols, acetals, and ketones; ether, and lower boiling C₃-C₆ straight and branched chain hydrocarbons.
- The method of Claim 8 in which the propellant is selected from the group consisting of gaseous nitrogen, air, carbon dioxide and halogenated hydrocarbons.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9515093A | 1993-07-21 | 1993-07-21 | |
US95150 | 1993-07-21 | ||
US08/267,268 US5599524A (en) | 1993-07-21 | 1994-06-28 | Low VOC hair sprays with improved spray characteristics |
US267268 | 1994-06-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0635257A1 true EP0635257A1 (en) | 1995-01-25 |
EP0635257B1 EP0635257B1 (en) | 1997-10-01 |
Family
ID=26789882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94111299A Expired - Lifetime EP0635257B1 (en) | 1993-07-21 | 1994-07-20 | Low VOC hair sprays with improved spray characteristics |
Country Status (8)
Country | Link |
---|---|
US (1) | US5599524A (en) |
EP (1) | EP0635257B1 (en) |
JP (1) | JP2531934B2 (en) |
AT (1) | ATE158715T1 (en) |
CA (1) | CA2128313C (en) |
DE (1) | DE69405927T2 (en) |
DK (1) | DK0635257T3 (en) |
ES (1) | ES2107718T3 (en) |
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EP0734717A2 (en) * | 1995-03-27 | 1996-10-02 | Basf Aktiengesellschaft | New hair fixatives |
US5658558A (en) * | 1994-10-03 | 1997-08-19 | Rohm And Haas Company | Hair styling compositions and method of enhancing the performance of hair fixative resins |
WO1998009607A2 (en) * | 1996-09-04 | 1998-03-12 | The Procter & Gamble Company | Personal care compositions |
EP0865273A1 (en) * | 1995-12-08 | 1998-09-23 | Isp Investments Inc. | Hair spray composition having 80 % or less voc and advantageous physical and performance characteristics |
WO1998056337A1 (en) * | 1997-06-09 | 1998-12-17 | The Procter & Gamble Company | Malodor reducing composition containing amber and musk materials |
US5939058A (en) * | 1994-10-03 | 1999-08-17 | Rohm And Haas Company | Hair styling compositions and method of enhancing the performance of hair fixative resins |
WO2000069398A1 (en) * | 1999-05-12 | 2000-11-23 | Basf Aktiengesellschaft | Hairspray composition containing siloxane |
EP0758545B2 (en) † | 1995-08-11 | 2004-11-17 | L'oreal | Cosmetic composition containing an aqueous polymer dispersion and an insoluble silicone, its utilization and preparation |
EP2022479A1 (en) * | 2007-08-07 | 2009-02-11 | KPSS-Kao Professional Salon Services GmbH | Hair styling composition |
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- 1994-07-20 EP EP94111299A patent/EP0635257B1/en not_active Expired - Lifetime
- 1994-07-20 ES ES94111299T patent/ES2107718T3/en not_active Expired - Lifetime
- 1994-07-20 AT AT94111299T patent/ATE158715T1/en not_active IP Right Cessation
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US5939058A (en) * | 1994-10-03 | 1999-08-17 | Rohm And Haas Company | Hair styling compositions and method of enhancing the performance of hair fixative resins |
US5658558A (en) * | 1994-10-03 | 1997-08-19 | Rohm And Haas Company | Hair styling compositions and method of enhancing the performance of hair fixative resins |
EP0734717A2 (en) * | 1995-03-27 | 1996-10-02 | Basf Aktiengesellschaft | New hair fixatives |
EP0734717A3 (en) * | 1995-03-27 | 1998-04-22 | Basf Aktiengesellschaft | New hair fixatives |
CN1100525C (en) * | 1995-03-27 | 2003-02-05 | Basf公司 | Novel hair setting lotions |
US6153179A (en) * | 1995-03-27 | 2000-11-28 | Basf Aktiengesellschaft | Hair setting lotions |
EP0758545B2 (en) † | 1995-08-11 | 2004-11-17 | L'oreal | Cosmetic composition containing an aqueous polymer dispersion and an insoluble silicone, its utilization and preparation |
EP0865273A4 (en) * | 1995-12-08 | 1999-04-07 | Isp Investments Inc | Hair spray composition having 80 % or less voc and advantageous physical and performance characteristics |
EP0865273A1 (en) * | 1995-12-08 | 1998-09-23 | Isp Investments Inc. | Hair spray composition having 80 % or less voc and advantageous physical and performance characteristics |
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WO2000069398A1 (en) * | 1999-05-12 | 2000-11-23 | Basf Aktiengesellschaft | Hairspray composition containing siloxane |
EP2022479A1 (en) * | 2007-08-07 | 2009-02-11 | KPSS-Kao Professional Salon Services GmbH | Hair styling composition |
EP2025328A2 (en) * | 2007-08-07 | 2009-02-18 | KPSS-Kao Professional Salon Services GmbH | Hair styling composition |
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Also Published As
Publication number | Publication date |
---|---|
DE69405927D1 (en) | 1997-11-06 |
JP2531934B2 (en) | 1996-09-04 |
EP0635257B1 (en) | 1997-10-01 |
US5599524A (en) | 1997-02-04 |
CA2128313C (en) | 1998-12-22 |
CA2128313A1 (en) | 1995-01-22 |
ES2107718T3 (en) | 1997-12-01 |
ATE158715T1 (en) | 1997-10-15 |
DE69405927T2 (en) | 1998-04-02 |
JPH07145024A (en) | 1995-06-06 |
DK0635257T3 (en) | 1998-02-02 |
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